Article,

Measurement and Processing of Indoor GPS Signals Using a One-Shot Software Receiver

, and .
Proc. of the Navitec Conference, ESA-ESTEC, (2004)

Abstract

A One-Shot receiver for indoor positioning using the GPS L1 C/A signal is presented. It uses both coherent correlation and noncoherent integration to achieve the low sensitivity required for indoor applications, and includes interpolation for code delay estimation, a novel CN0 estimator, and a near-far problem mitigation technique. The impact of the navigation message bit transitions on the sensitivity is also studied. Live indoor environments are used to show the receiver performance.

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